style(theme): match dark cards and project badges

src/components/ProjectsSection.module.css

@@ -214,7 +214,7 @@
 }
 
 [data-theme="dark"] .tagBadge {
-  background: var(--color-blue-800);
+  background: var(--bg-subtle);
   color: var(--color-blue-100);
 }
 

src/styles/tokens.css

@@ -125,8 +125,8 @@
 [data-theme="dark"] {
   /* Semantic Tokens (Dark) */
   --bg-page: #04132D;
-  --bg-surface: #081B38;
-  --bg-raised: #0D2346;
+  --bg-surface: #061943;
+  --bg-raised: #081737;
   --bg-subtle: #0A2852;
   --text-primary: #F8FAFF;
   --text-secondary: #C3CFE0;
@@ -142,7 +142,7 @@
   --action-primary-pressed: #C3D5EC;
   --brand-band: #3D8AFA;
   --focus-ring: #82B5FF;
-  --overlay-contact: rgba(8, 27, 56, 0.82);
+  --overlay-contact: #081737;
   --shadow-color: rgba(0, 0, 0, 0.239216);
 
   /* Hero Scenic Landscape Palette (Night / Dark Mode) */